Justin Bieber upstaged by Mariah Carey in All I Want For Christmas Is You video

Hot Mrs Claus Mariah Carey upstages Justin Bieber in their festive music videoMerry Mariah: In a new version of her 1994 hit All I Want For Christmas Is You, Mariah Carey manages to upstage Justin BieberHot Mrs Claus: the 41-year-old is back to her best in a racy Christmas outfitI Belieb in Santa Claus: The 17-year-old pop star sings the second verse of the festive classicChristmas classic: The